💛 SELGrade 3Lesson 22
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Healthy Habit Choices

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What you will learn

  • 1Sort daily choices into healthy and unhealthy habits
  • 2Explain how small daily choices build up over time to affect physical and emotional health
  • 3Apply the habit loop of cue, routine, and reward to build one new healthy habit
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Mini Lesson

A habit is something you do regularly — often without thinking. Habits can be healthy (good for your body and mind) or unhealthy (harmful over time). The key insight is this: one choice is small, but repeated choices add up. When you sleep well, move your body, eat varied foods, and manage screen time, you feel and do better — not because of one day, but because of many days in a row.

Healthy daily habits

  • Getting enough sleep — 9 to 12 hours restores the brain and body.
  • Moving your body — at least 60 minutes of physical activity each day strengthens muscles, improves focus, and boosts mood.
  • Eating a variety of foods — fruits, vegetables, whole grains, and protein provide energy and nutrients for growth and learning.
  • Drinking enough water — staying hydrated supports concentration and physical performance.
  • Limiting screen time — balancing device use with other activities protects sleep and focus.
  • Taking care of your feelings — journaling, talking to someone, or taking a mindful break keeps emotional health strong.

Unhealthy daily habits

  • Regularly skipping meals or relying on sugary snacks for energy.
  • Spending most of the day sitting with no physical activity.
  • Using a device right before bed, disrupting sleep quality.
  • Ignoring difficult feelings instead of finding healthy ways to process them.
  • Skipping sleep consistently to stay up late.

The habit loop

  • Habits form through repetition: a cue (the signal) leads to a routine (the action), which leads to a reward (the good feeling you get).
  • To build a healthy habit, link it to something you already do: after lessons leads to drinking water leads to feeling ready to focus.
  • To break an unhealthy habit, notice the cue and replace the routine with a healthier one.

Words to know

Habit

Something you do again and again, often without thinking

e.g. Brushing my teeth at night is a habit.

Healthy choice

A choice that helps your body or mind work well

e.g. Choosing water is a healthy choice.

Cue

A signal in your day that triggers a habit

e.g. Lunchtime is a cue to wash my hands.

Routine

The action you do after a cue

e.g. My after-lesson routine is a snack and water.

Repetition

Doing the same thing many times to make it stick

e.g. Repetition turns an action into a habit.

Healthy and unhealthy habit snowball effectTwo rows of growing circles. Top row, healthy habits in green, grows from Day 1 to Week 1 to Month 1 and ends with strong and energized. Bottom row, unhealthy habits in red, grows over the same time and ends with tired and struggling.Small Choices Add UpHealthy HabitsDay 1Week 1Month 1StrongenergizedUnhealthy HabitsDay 1Week 1Month 1Tiredstruggling
Two snowballs over days, weeks, and a month — healthy habits build to strength and energy; unhealthy habits build to tiredness and struggle.
The habit loop — cue, routine, rewardThree labeled boxes — Cue (the trigger), Routine (the behavior), and Reward (the payoff) — connected by arrows in a loop. An example strip at the bottom shows Cue after lessons, Routine drink water, Reward feel focused.The Habit LoopCuethe triggerRoutinethe behaviorRewardthe payoffExample: Building a Water HabitCueAfter lessonsRoutineDrink waterRewardFeel focused
The habit loop — Cue (trigger), Routine (behavior), Reward (payoff) — with an example: after lessons, drink water, feel focused.
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Self-check: Name one healthy habit you already do consistently and one unhealthy habit you would like to change.

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